Port 2 Register (Port2) - Hitachi H8S/2378, H8S/2378R Series Hardware Manual

10.2.3

Port 2 Register (PORT2)

PORT2 shows the pin states.
PORT2 cannot be modified.
Bit Bit Name
7 P27
6 P26
5 P25
4 P24
3 P23
2 P22
1 P21
0 P20
Note: Determined by the states of pins P27 to P20.
Rev. 1.0, 09/01, page 420 of 904
Initial Value R/W
R
—*
R
—*
R
—*
R
—*
R
—*
R
—*
R
—*
R
—*
Description
If a port 2 read is performed while P2DDR bits are
set to 1, the P2DR values are read. If a port 2 read is
performed while P2DDR bits are cleared to 0, the pin
states are read.